From: Kajetan Puchalski <kajetan.puchalski@arm.com>
To: Peter Zijlstra <peterz@infradead.org>
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Subject: Re: [PATCH v2 07/44] cpuidle,psci: Push RCU-idle into driver
Date: Wed, 21 Sep 2022 22:51:10 +0100 [thread overview]
Message-ID: <YyuHTgRh7t6vYjHw@e126311.manchester.arm.com> (raw)
In-Reply-To: <20220919101520.802976773@infradead.org>
On Mon, Sep 19, 2022 at 11:59:46AM +0200, Peter Zijlstra wrote:
> Doing RCU-idle outside the driver, only to then temporarily enable it
> again, at least twice, before going idle is daft.
>
> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Tried it on Pixel 6 running psci_idle, looks good with no apparent issues.
Tested-by: Kajetan Puchalski <kajetan.puchalski@arm.com>
next prev parent reply other threads:[~2022-09-21 21:52 UTC|newest]
Thread overview: 87+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-19 9:59 [PATCH v2 00/44] cpuidle,rcu: Clean up the mess Peter Zijlstra
2022-09-19 9:59 ` [PATCH v2 01/44] x86/perf/amd: Remove tracing from perf_lopwr_cb() Peter Zijlstra
2022-09-19 9:59 ` [PATCH v2 02/44] x86/idle: Replace x86_idle with a static_call Peter Zijlstra
2022-09-19 9:59 ` [PATCH v2 03/44] cpuidle/poll: Ensure IRQ state is invariant Peter Zijlstra
2022-09-19 13:19 ` Frederic Weisbecker
2022-09-20 8:57 ` Peter Zijlstra
2022-09-20 10:43 ` Frederic Weisbecker
2022-09-19 9:59 ` [PATCH v2 04/44] cpuidle: Move IRQ state validation Peter Zijlstra
2022-09-19 9:59 ` [PATCH v2 05/44] cpuidle,riscv: Push RCU-idle into driver Peter Zijlstra
2022-09-19 11:54 ` Anup Patel
2022-09-19 13:46 ` Frederic Weisbecker
2022-09-19 9:59 ` [PATCH v2 06/44] cpuidle,tegra: " Peter Zijlstra
2022-09-19 14:05 ` Frederic Weisbecker
2022-09-19 9:59 ` [PATCH v2 07/44] cpuidle,psci: " Peter Zijlstra
2022-09-19 14:11 ` Frederic Weisbecker
2022-09-21 21:51 ` Kajetan Puchalski [this message]
2022-09-22 0:45 ` Guo Ren
2022-09-19 9:59 ` [PATCH v2 08/44] cpuidle,imx6: " Peter Zijlstra
2022-09-19 14:21 ` Frederic Weisbecker
2022-09-19 15:00 ` Peter Zijlstra
2022-09-20 8:58 ` Peter Zijlstra
2022-09-20 9:01 ` Frederic Weisbecker
2022-09-19 14:49 ` Frederic Weisbecker
2022-09-19 15:01 ` Peter Zijlstra
2022-09-19 15:03 ` Peter Zijlstra
2022-09-19 15:17 ` Frederic Weisbecker
2022-09-19 9:59 ` [PATCH v2 09/44] cpuidle,omap3: " Peter Zijlstra
2022-09-19 14:31 ` Frederic Weisbecker
2022-09-19 15:19 ` Peter Zijlstra
2022-09-20 8:39 ` Frederic Weisbecker
2022-09-19 14:43 ` Frederic Weisbecker
2022-09-19 9:59 ` [PATCH v2 10/44] cpuidle,armada: " Peter Zijlstra
2022-09-19 14:39 ` Frederic Weisbecker
2022-09-19 9:59 ` [PATCH v2 11/44] cpuidle,omap4: " Peter Zijlstra
2022-09-20 10:53 ` Frederic Weisbecker
2022-09-19 9:59 ` [PATCH v2 12/44] cpuidle,dt: " Peter Zijlstra
2022-10-04 11:03 ` Ulf Hansson
2022-10-04 11:43 ` Ulf Hansson
2022-11-16 15:29 ` Peter Zijlstra
2022-11-22 16:04 ` Ulf Hansson
2022-09-19 9:59 ` [PATCH v2 13/44] cpuidle: Fix ct_idle_*() usage Peter Zijlstra
2022-09-19 9:59 ` [PATCH v2 14/44] cpuidle,cpu_pm: Remove RCU fiddling from cpu_pm_{enter,exit}() Peter Zijlstra
2022-10-04 11:04 ` Ulf Hansson
2022-09-19 9:59 ` [PATCH v2 15/44] acpi_idle: Remove tracing Peter Zijlstra
2022-09-19 9:59 ` [PATCH v2 16/44] cpuidle: Annotate poll_idle() Peter Zijlstra
2022-09-19 9:59 ` [PATCH v2 17/44] objtool/idle: Validate __cpuidle code as noinstr Peter Zijlstra
2022-09-19 9:59 ` [PATCH v2 18/44] cpuidle,intel_idle: Fix CPUIDLE_FLAG_IRQ_ENABLE *again* Peter Zijlstra
2022-09-19 9:59 ` [PATCH v2 19/44] cpuidle,intel_idle: Fix CPUIDLE_FLAG_INIT_XSTATE Peter Zijlstra
2022-09-19 9:59 ` [PATCH v2 20/44] cpuidle,intel_idle: Fix CPUIDLE_FLAG_IBRS Peter Zijlstra
2022-09-19 10:00 ` [PATCH v2 21/44] arch/idle: Change arch_cpu_idle() IRQ behaviour Peter Zijlstra
2022-09-20 5:08 ` Guo Ren
2022-09-19 10:00 ` [PATCH v2 22/44] x86/tdx: Remove TDX_HCALL_ISSUE_STI Peter Zijlstra
2022-09-19 10:00 ` [PATCH v2 23/44] arm,smp: Remove trace_.*_rcuidle() usage Peter Zijlstra
2022-10-04 11:08 ` Ulf Hansson
2022-09-19 10:00 ` [PATCH v2 24/44] arm64,smp: " Peter Zijlstra
2022-09-19 10:00 ` [PATCH v2 25/44] printk: " Peter Zijlstra
2022-09-20 2:49 ` Sergey Senozhatsky
2022-09-19 10:00 ` [PATCH v2 26/44] time/tick-broadcast: Remove RCU_NONIDLE usage Peter Zijlstra
2022-09-19 10:00 ` [PATCH v2 27/44] cpuidle,sched: Remove annotations from TIF_{POLLING_NRFLAG,NEED_RESCHED} Peter Zijlstra
2022-09-19 10:00 ` [PATCH v2 28/44] cpuidle,mwait: Make noinstr clean Peter Zijlstra
2022-09-19 10:00 ` [PATCH v2 29/44] cpuidle,tdx: Make tdx " Peter Zijlstra
2022-09-19 10:00 ` [PATCH v2 30/44] cpuidle,xenpv: Make more PARAVIRT_XXL " Peter Zijlstra
2022-09-19 10:45 ` Juergen Gross
2022-09-19 10:00 ` [PATCH v2 31/44] cpuidle,nospec: Make " Peter Zijlstra
2022-09-19 10:00 ` [PATCH v2 32/44] cpuidle,acpi: " Peter Zijlstra
2022-09-19 10:00 ` [PATCH v2 33/44] ftrace: WARN on rcuidle Peter Zijlstra
2022-09-26 18:41 ` Steven Rostedt
2022-10-04 17:19 ` Mark Rutland
2022-09-19 10:00 ` [PATCH v2 34/44] cpuidle,omap3: Use WFI for omap3_pm_idle() Peter Zijlstra
2022-09-19 10:00 ` [PATCH v2 35/44] cpuidle,omap3: Push RCU-idle into omap_sram_idle() Peter Zijlstra
2022-09-19 10:00 ` [PATCH v2 36/44] cpuidle,omap4: Push RCU-idle into omap4_enter_lowpower() Peter Zijlstra
2022-09-19 10:00 ` [PATCH v2 37/44] arm,omap2: Use WFI for omap2_pm_idle() Peter Zijlstra
2022-09-27 6:21 ` Tony Lindgren
2022-09-19 10:00 ` [PATCH v2 38/44] cpuidle,powerdomain: Remove trace_.*_rcuidle() Peter Zijlstra
2022-10-04 11:12 ` Ulf Hansson
2022-09-19 10:00 ` [PATCH v2 39/44] cpuidle,clk: " Peter Zijlstra
2022-10-04 11:09 ` Ulf Hansson
2022-09-19 10:00 ` [PATCH v2 40/44] ubsan: Fix objtool UACCESS warns Peter Zijlstra
2022-09-19 10:00 ` [PATCH v2 41/44] intel_idle: Add force_irq_on module param Peter Zijlstra
2022-09-19 10:00 ` [PATCH v2 42/44] entry,kasan,x86: Disallow overriding mem*() functions Peter Zijlstra
2022-09-19 10:00 ` [PATCH v2 43/44] sched: Always inline __this_cpu_preempt_check() Peter Zijlstra
2022-09-19 10:00 ` [PATCH v2 44/44] arm64,riscv,perf: Remove RCU_NONIDLE() usage Peter Zijlstra
2022-09-19 15:21 ` [PATCH v2 00/44] cpuidle,rcu: Clean up the mess Rafael J. Wysocki
2022-09-20 12:31 ` Frederic Weisbecker
2022-09-20 14:04 ` Peter Zijlstra
2022-09-27 6:31 ` Tony Lindgren
2022-10-04 15:15 ` Ulf Hansson
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